Mona Stephenson > Meyerlustenberger Lachenal Ltd > Zurich, Switzerland > Lawyer Profile

Meyerlustenberger Lachenal Ltd

Work Department

M&A and Private Equity | Capital Markets, Banking, Finance and Fintech | General Corporate Law


Mona Stephenson specialises in corporate law, M&A and financing transactions. With over 10 years of experience, she regularly advises Swiss and international companies, from start-ups and SMEs to multinational companies, on various corporate matters, including private equity, venture capital, debt financing, corporate governance and commercial contracts. She also sits on the board of directors of various companies. Her experience spans a wide range of industries such as healthcare, banking and luxury goods.


Partner with Meyerlustenberger Lachenal (since 2018), Senior associate at a leading Swiss law firm (2011–2018), Associate at a leading Swiss law firm (2010–2011), Admitted to the bar in Switzerland (2010), Junior associate at a business law firm (2008–2010)


French, English, German


International Bar Association (IBA), Swiss Private Equity and Corporate Finance Association (SECA), Association genevoise du droit des affaires (AGDA), Geneva Bar Association, member of the committee on gender equality, Women’s Business Society (WBS)


New York University, LL.M. in Global Business Law (2014), National University of Singapore, LL.M. in Corporate and Financial Services (Dean’s Award Scholarship) (2014), University of Fribourg, MLaw (2007, magna cum laude)

Lawyer Rankings

Switzerland > Commercial, corporate and M&A

Meyerlustenberger Lachenal Ltd (MLL) ‘is excellent in terms of experience, quality and client correspondence‘, with ‘significant resources and a complete range of services available at short notice‘. Areas of expertise include share and asset purchases, mergers, public tender offers, private equity and corporate governance matters. Practice head Dr Alexander Vogel acted for SAP on the de-merger and subsequent acquisition of Coresystems FSM. ‘Highly deal-oriented‘ Andrea Sieber, who ‘is able to deliver excellent results under pressure‘, advised Meyer Burger Switzerland on the sale of its energy systems division to solar industry specialist Patrick Hofer-Noser. TUI Suisse and Robert Bosch are among its other key clients. Mona Stephenson joined the Geneva office from Lenz & Staehelin in 2018.